A magnitude ML 1.3 earthquake occured in region: 6 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7820, 13.1610 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Norcia | PG | 6 | 4957 | 4957 |
Arquata del Tronto | AP | 11 | 1178 | 6135 |
Accumoli | RI | 12 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7083 |
Cascia | PG | 14 | 3217 | 10300 |
Preci | PG | 15 | 724 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Visso | MC | 18 | 1107 | 12654 |
Cittareale | RI | 18 | 482 | 13136 |
Ussita | MC | 18 | 444 | 13580 |
Montemonaco | AP | 19 | 604 | 14184 |
Amatrice | RI | 20 | 2657 | 16841 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-05-18 07:51:38 |
42.7825 | 13.161 | 10 | 2020-05-18 08:05:19 |
Sala Sismica INGV-Roma | 79274491 |
Field | Value |
---|---|
Time (UTC) | 2020-05-18 07:51:38 ± 0.07 |
Latitude | 42.7825 ± 0.0045 |
Longitude | 13.1610 ± 0.0061 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79274491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 454 |
Semi-minor axis of confidence ellipse (meter) | 403 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 285 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 120 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.06115 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36243 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 79274491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-18 08:05:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2020-05-18T07:51:49.55 | 0.6 | undecidable | manual | S | 172 | 30.6471 | 50 | -0.02 | 49 |
IV.MMO1.EHZ. | 2020-05-18T07:51:46.19 | 0.6 | undecidable | manual | S | 46 | 18.6702 | 119 | 0.02 | 50 |
IV.MTRA.EHZ. | 2020-05-18T07:51:46.16 | 0.3 | undecidable | manual | S | 98 | 19.3695 | 118 | -0.21 | 72 |
IV.TERO.HHZ. | 2020-05-18T07:51:46.71 | 0.6 | undecidable | manual | P | 116 | 40.2264 | 50 | 0.24 | 46 |
IV.FDMO.HHN. | 2020-05-18T07:51:44.59 | 0.1 | undecidable | manual | P | 348 | 28.8489 | 50 | -0.12 | 97 |
IV.RM33.EHZ. | 2020-05-18T07:51:44.83 | 0.6 | negative | manual | P | 172 | 30.6471 | 50 | -0.17 | 48 |
IV.SMA1.EHZ. | 2020-05-18T07:51:44.04 | 0.6 | positive | manual | P | 140 | 22.0668 | 115 | 0.41 | 46 |
IV.MTRA.EHZ. | 2020-05-18T07:51:43.10 | 0.3 | undecidable | manual | P | 98 | 19.3695 | 118 | -0.05 | 75 |
IV.LNSS.HHZ. | 2020-05-18T07:51:43.60 | 0.1 | undecidable | manual | P | 206 | 22.2555 | 115 | -0.06 | 99 |
IV.NRCA.HHZ. | 2020-05-18T07:51:42.77 | 0.6 | undecidable | manual | S | 326 | 6.7932 | 146 | -0.27 | 49 |
IV.MMO1.EHZ. | 2020-05-18T07:51:42.99 | 0.6 | positive | manual | P | 46 | 18.6702 | 119 | -0.04 | 50 |
IV.MC2.EHZ. | 2020-05-18T07:51:42.55 | 0.3 | undecidable | manual | P | 9 | 14.4744 | 125 | 0.23 | 73 |
IV.NRCA.HHZ. | 2020-05-18T07:51:41.37 | 0.1 | negative | manual | P | 326 | 6.7932 | 146 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.8 | 0.0008784999999999999 | 0.1 | AML | other | m | 2020-05-18T07:51:42.84 |
IV.NRCA.HNN. | ML:1.7 | 0.0007945 | 0.14 | AML | other | m | 2020-05-18T07:51:42.83 |
IV.NRCA.HNE. | ML:1.8 | 0.0009815 | 0.16 | AML | other | m | 2020-05-18T07:51:42.88 |
IV.NRCA.HHE. | ML:1.8 | 0.0010374999999999998 | 0.16 | AML | other | m | 2020-05-18T07:51:42.88 |
IV.MTRA.EHN. | ML:1.0 | 0.0000837 | 0.2 | AML | other | m | 2020-05-18T07:51:46.59 |
IV.MTRA.EHE. | ML:1.1 | 0.0000931 | 0.22 | AML | other | m | 2020-05-18T07:51:46.60 |
IV.LNSS.HHE. | ML:1.2 | 0.0000977 | 0.16 | AML | other | m | 2020-05-18T07:51:47.70 |
IV.LNSS.HHN. | ML:1.1 | 0.00008824999999999999 | 0.26 | AML | other | m | 2020-05-18T07:51:47.76 |
IV.SMA1.EHE. | ML:0.8 | 0.0000418 | 0.56 | AML | other | m | 2020-05-18T07:51:49.52 |
IV.SMA1.EHN. | ML:0.9 | 0.0000565 | 0.42 | AML | other | m | 2020-05-18T07:51:50.97 |